diff --git a/modules/rpgmakermvmz.py b/modules/rpgmakermvmz.py
index e327112..59aaa9c 100644
--- a/modules/rpgmakermvmz.py
+++ b/modules/rpgmakermvmz.py
@@ -193,7 +193,7 @@ HEADER_MAPPINGS_357 = {
     "TemplateEvent": (["eventId"], None),
 }
 # Subset of HEADER_MAPPINGS_357 keys that should be processed (empty = none).
-ENABLED_PLUGINS_357: set = {"EventLabel", "KN_MapBattle", "KN_Shop", "Mano_CurrencyUnit", "SceneGlossary", "TorigoyaMZ_NotifyMessage", "TorigoyaMZ_NotifyMessage_CommandMessage"}
+ENABLED_PLUGINS_357: set = set()
 
 # All known code-355/655 script patterns. Enable entries via ENABLED_PATTERNS_355655.
 PATTERNS_355655 = {
diff --git a/util/translation.py b/util/translation.py
index fe862e8..534df6d 100644
--- a/util/translation.py
+++ b/util/translation.py
@@ -915,13 +915,23 @@ def translateText(system, user, history, penalty, formatType, model, numLines=No
 
         ant_client = anthropic.Anthropic(api_key=openai.api_key)
         try:
-            ant_resp = ant_client.messages.create(
+            ant_kwargs = dict(
                 model=model,
                 max_tokens=16384,
                 temperature=0,
                 system=ant_system,
                 messages=native_msgs,
             )
+            # Use native structured output (output_config) when a JSON schema is required.
+            # Supported on claude-opus-4-6, claude-sonnet-4-6/4-5, claude-haiku-4-5.
+            if formatType == "json" and numLines is not None:
+                ant_kwargs["output_config"] = {
+                    "format": {
+                        "type": "json_schema",
+                        "schema": createTranslationSchema(numLines),
+                    }
+                }
+            ant_resp = ant_client.messages.create(**ant_kwargs)
         except Exception as e:
             raise Exception(f"Anthropic API error: {e}")